Article
Ribosomal RNA identity elements for recognition by ricin and by alpha-sarcin: mutation in the putative CG pair that closes a GAGA tetraloop.
Nucleic acids symposium series - 1 Jan 1993
Endo Y, Gluck A, Wool I G
Abstract excerpt
Alpha sarcin is a ribonuclease that cleaves the phosphodiester bond on the 3' side of G4325 in 28S rRNA; ricin A-chain is a RNA N-glycosidase that depurinates the 5' adjacent A4324. These single covalent modifications inactivate the ribosomes. An oligoribonucleotide that reproduces the structure of the sarcin/ricin domain in 28S rRNA was synthesized and mutations were constructed in the 3'C and the 5'G that...
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